/ 3 +8 2014 may 27 qts open baffle Alternate drivers 3 - Linkwitz Lab The low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order
... For an open baffle woofer the excursion falls off at (1/f)3 with increasing ... 3 +1 2014 apr 10 open baffle speaker PHOENIX - Open Baffle Loudspeaker - Linkwitz Lab Detailed design information for DIY construction of an open - baffle , dipole
loudspeaker . The speaker gives exceptional fidelity of sound reproduction in
normal ... 4 -1 2014 may 07 leica lumix camera Lumix & Leica - Linkwitz Lab Thus I wrote an email to Leica USA with the question: Before purchasing the
Leica D-LUX 3 camera I need to know if the RAW files are truly raw data or if
some ... 5 ~ 2014 apr 23 panasonic lumix leica From its physical appearance and published specifications it appears that the
Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3 ... 6 ~ 2014 jun 15 low resonant frequency earphone Reference earphones - Linkwitz Lab The seal of the cavity affects the bass response and the resonances . They give ...
They have a targeted in-situ low frequency response, which is ... 7 ~ 2014 apr 04 omni directional speakers PLUTO-2.1 omni - directional loudspeaker - Linkwitz Lab PLUTO, the small 2-way active loudspeaker system that was introduced in 2005
... The Aura driver is instrumental to the omni - directional PLUTO concept since ... 8 +38 2014 may 21 qts thd earphone This would allow me to obtain the same output with two such drivers in the ... The
low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order ... 8 +1 2014 may 16 band stop filter drive v1 Active Filters - Linkwitz Lab Multiple sections may delay the tweeter output and compensate for the driver
being ... Notch filters are used to introduce dips in the frequency response in
order to cancel .... R3 when driven from an operational amplifier with output
voltage V1 . 8 -3 2014 may 07 lumix leica camera 8 +3 2014 may 05 dipole woofer simulation software Design of Loudspeakers - Linkwitz Lab Actually, the bass reminded me of what I hear from dipole woofers and the .....
Now the large signal behavior of the complete loudspeaker can be simulated . 8 ~ 2014 may 03 linear design labs speakers Rarely do non- linear distortion considerations enter into the design of speakers .
Otherwise, consumer stores and recording studios would not abound with 2-way
... 10 +2 2014 may 08 speaker design basic A few truly omni-directional speaker designs on the market come close, but
require .... Adding to the comments above, I want to describe the basic design
and ... 10 +2 2014 apr 16 concert loud speaker design Linkwitz Lab - Loudspeaker Design Dipole loudspeaker design for true to the original sound reproduction with
minimal room interaction. ... of a live concert in your home with a pair of LX521 ... 10 ~ 2014 apr 08 crossover speaker design Crossovers - Linkwitz Lab My latest design , the ORION, employs two 24 dB/oct filters for highest accuracy of
... Crossover filters for a speaker usually incorporate frequency response ... 11 -7 2014 jul 03 build your own subwoofer THOR - subwoofer - Linkwitz Lab Build your own subwoofer . Often it is desirable to add very low frequency bass to
the sound output of an existing loudspeaker system. Home Theater setups ... 11 -9 2014 mar 28 my speaker plans A few truly omni-directional speaker designs on the market come close, but
require ... My conclusion is that uniform line source speakers are not what I would
... 12 +89 2014 may 19 stereo equipment tester Accurate Stereo Performance - Linkwitz Lab The acoustic performance of a stereo sound system can vary significantly
depending upon the loudspeakers used, upon ... Testing a stereo system for
accuracy. 12 -6 2014 apr 01 room acoustics designer Room Acoustics - Linkwitz Lab For my open baffle speaker designs a room becomes too dead when its RT60
falls below 500 ms. We can think of sound as propagating like a light ray. Thus,
we ... 14 +3 2014 jun 06 diy subwoofer Design of a sealed box subwoofer with electronic equalization. ... This is meant to
be a DIY project for the music loving hobbyist. Should you consider using part ... 14 ~ 2014 mar 28 stereo central channel Surround stereo system - Linkwitz Lab 1 - Ambience recovery from a 2- channel CD 2 - Refinement of ambience
recovery 3 - SACD and DVD-A use of the center channel 4 - A few SACD and
their ... 15 +1 2014 may 24 sls fz1 spreadsheet - Linkwitz Lab 30, C1, C3, fz1 , 32, = fp1 ?? fz1 , 29, = fp1 ?? 31, Adc [dB], 21.6, Adc [dB], 21.6. 32
, For realizability with the given. 33, circuit k must be positive. 2b) Multiply ... 16 -1 2014 apr 22 speaker enclosure design This year the outstanding leader in the conventional box speaker category was
the $40,000 TAD Model-1. A superbly executed design under ... 17 -1 2014 may 14 room mode calculator Rectangular room modes - Linkwitz Lab 29. 30, Re-sort table below by ascending frequency. 31, after room dimensions
have been changed. 32, Modes in rectangular room , Sorted by frequency, Mode
... 17 +22 2014 may 07 orion subwoofer box Pluto + subwoofer - Linkwitz Lab The subwoofer would be down firing to reduce overall box height and to provide
a top ... Something similar was done with the addition of THOR to ORION . 17 -3 2014 apr 29 tweeter natural area rugs LX521 Description - Linkwitz Lab Richard Taylor has analyzed the required room dimensions and speaker setups
to 18 -5 2014 jun 01 naxos mcgill McGill University - Linkwitz Lab The Virtual Haydn: Complete Works for Solo Keyboard ( Four Blu-Ray discs from
NAXOS , www.thevirtualhaydn.com ). Haydn's Sonatas and ... 18 ~ 2014 may 25 force factor bl Subwoofer estimates - Linkwitz Lab A deflection of 12.5 mm requires a force F = Xmax / Cms' = 104.2 Newton or 23.4
pound. The motor has a force factor Bl = 17.6 N/A. Thus it takes Ip = F / (Bl) ... 19 +38 2014 may 18 sensible sound solutions Linkwitz Lab “Orion” Loudspeaker solutions . The Orion: Let's take a look at the physical realization of the Orion
loudspeaker. (First, take a 19 +1 2014 apr 29 speaker cabinet design 19 -7 2014 apr 10 linear design speakers Some Attributes of Linear -Phase Loudspeakers ... - Linkwitz Lab linear -phase loudspeakers , I was surprised by how indifferent the ..... designed to
determine whether the ability to localize sound in a room depends upon the ... 20 +1 2014 may 05 speaker baffe home audio The LX521 Reference Loudspeaker is an open- baffle , constant directivity ... of
any type of music in the home and also for final judgment of work in the recording
studio. ... I launched this website in 1999 after I had separated from Audio Artistry. 20 -14 2014 apr 27 notch filter circuit 4 - Delay correction 5 - Shelving lowpass & passive circuit 6 - Shelving highpass
& passive circuit 7 - Notch filter 8 - 6 dB/oct dipole equalization 21 -4 2014 may 18 jung aktiv board 13 - Printed circuit boards ..... On the circuit board are two of the topologies below
. ...  Walter G. Jung , editor, Op Amp Applications, Analog Devices, 2002. 21 -5 2014 may 15 line level crossover The best electrical crossover filter is one that maintains the acoustic polar ... I
have a strong preference for line level active dividing networks ahead of the
power ... 21 +2 2014 may 04 intro page htm Pluto introduction - Linkwitz Lab On the following pages I provide sufficient information so that someone with
experience in building speakers and analyzing electronic circuitry can duplicate ... 21 -6 2014 mar 27 low shelf filter This type of circuit is useful to bring up the low frequency response in order to
compensate for the high ... A) The shelving lowpass filter cannot correct for a
peak. 21 +12 2014 mar 23 pvc pipe drivers speakers PLUTO-2.1 omni-directional loudspeaker - Linkwitz Lab Most significantly the woofer/midrange driver was replaced by a special ... 4 inch
and 1.5 inch or equivalent metric PVC or ABS plumbing pipes that must be cut ... 22 -9 2014 apr 20 speaker box design 22 -1 2014 apr 08 room acoustics calculator Reverberation time as most important parameter for a room's acoustic ... They
merely change frequencies, shift their distribution and make their calculation a lot
... 24 -5 2014 may 30 speaker diy ORION challenge to DIY - Linkwitz Lab My experience with the Beethoven series, the Vivaldi, and PHOENIX, has led to a
new design, which captures the essential sonic features of those speakers , ... 25 -3 2014 may 02 room acoustic calculator The acoustic behavior of rooms at different frequencies. ... frequencies, shift their
distribution and make their calculation a lot more difficult. 25 +3 2014 apr 09 stereo speaker placement The acoustic performance of a stereo sound system can vary significantly
depending upon the loudspeakers used, upon their setup in the listening room
and ... 25 -12 2014 mar 27 pc audio high-end dCS Guide To Computer Audio v1.10 - Linkwitz Lab Contents. Overview – the Principles of Computer Audio . ..... Macs and PCs are
now a viable alternative to high end stand-alone CD transports ... 26 -3 2014 may 07 pictures of pluto PLUTO photos - Linkwitz Lab Try to make contact with a willing person via the ORION/PLUTO/LX521 Forum.
Send me your photos of PLUTO to show others how you adapted it to locally ... 26 -12 2014 may 02 digital photography processing Digital Photo Processes - Linkwitz Lab In these web pages I will show what I investigated and learned about noise and
artifacts in digital photo processing . I pursued this specifically ... 26 -1 2014 mar 28 metal amplifier chassis Let's Build an Amplifier At ATI, steel is ordered for the chassis and allow the strongest chassis ), send the metal out to be powder coated and then ...
screening. PCB's, which have already been designed by legendary amplifier . 27 +15 2014 apr 15 hypex filter designer Linkwitz-Links - Linkwitz Lab Filtering and crossover tasks were handled by 6 x Hypex DLCP units .... about his
power amplifier designs and the undeserved reputation of ... 28 +38 2014 may 13 very low frequency subwoofers Woofer measurements - Linkwitz Lab The subwoofer frequency response is measured with the microphone very ...
have developed preferences for certain types of low frequency distortion it is my ... 29 -2 2014 jul 02 dvd production sf SF Symphony - Linkwitz Lab Since 2004, San Francisco Symphony Media has produced various PBS, DVD ,
and BD releases including the Keeping Score series which combined both ... 30 -3 2014 jun 03 pluto The design of the PLUTO loudspeaker brings together several concepts and
ideas about a small size loudspeaker that had been on my mind for some time. 31 ~ 2014 may 15 best room speakers audio WATSON - Stereo Enhancement Loudspeakers as a merging of room 32 +3 2014 may 30 stereo effect active speaker Linkwitz-Publications - Linkwitz Lab 35 - My Search for the Ideal Stereo Loudspeaker .... 12 - Siegfried Linkwitz, A
Three-Enclosure Loudspeaker System with Active Delay and Crossover, Parts 1,
2, ... Effects of the baffle shape upon the radiation pattern have been investigated. 34 -1 2014 may 29 3 inch baffle Diffraction from baffle edges - Linkwitz Lab Thus, the portion of a sound pressure step that travels along the baffle surface ...
For a 3 inch circular baffle with a point source at its center there should be a 4.5 ... 34 +5 2014 apr 21 db audio talkaudio I - AES Convention, Rocky Mountain Audio Fest, Burning Amp Festival, October
2008 35 -16 2014 may 19 subwoofer enclosure design Subwoofer design - Linkwitz Lab Subwoofer design . 1 - Box construction. My goal is to keep the box size as small
as possible. The estimates show that a box with about 50 liter internal volume ... 35 +6 2014 apr 14 frequency response headphones It is difficult to find earphones that can serve as a reference transducer for ... They
have a targeted in-situ low frequency response , which is maintained in the ... 35 +9 2014 apr 12 hear control room audio I am convinced that a properly designed sound system can perform well in a 36 -8 2014 may 02 pink noise cd Toneburst Test Signal CD - Linkwitz Lab 200Hz low-passed pink noise , 2:07 3. 200Hz to 100Hz, 3 bursts of 4x 20-cycles,
large steps, 0:55 4. 100Hz to 50Hz, 3 bursts of 4x 10-cycles, large steps, 0:54 5. 37 +27 2014 apr 18 speaker box plans This year the outstanding leader in the conventional box speaker category was
the $40,000 TAD Model-1. A superbly executed design under the leadership of ... 39 +43 2014 mar 25 xo active crossover A buffer as the first stage of an active crossover /equalizer provides the necessary
low source impedance to the ... (w- xo -lp2.gif, pmtm-eq1.gif, 38xo_eq.gif) Top ... 40 -13 2014 apr 30 equalizer using qt Subwoofer equalization - Linkwitz Lab Therefore, equalization can make the unit into a useful subwoofer. 40 -21 2014 apr 10 website on cd Website CD - Linkwitz Lab The Website CD -ROM can be purchased for $150, shipping included for US and
overseas. You will have a permanent record that spans the ... 40 ~ 2014 apr 02 diy speakers in canada PLUTO · Do-It-Yourself ... The speakers disappear and what remains is the
panorama of sound and the .... In Canada , Calgary, Alberta, contact Mike
Singleton, 41 ~ 2014 may 25 opensource php quibids What's new at LINKWITZ LAB with Pluto advertisement at 1 DSP challenge - Digital Crossover/EQ with Open-Source ... 41 -15 2014 may 07 best design speaker The fundamental problems of box re-radiation and non-uniform power response
in a room are at best only partially solved by these conventional designs . 42 -29 2014 jun 25 audio amp kit 2 way active crossover The electrical audio signal then needs to be divided between three drivers. The
proper ... Active crossovers make much more effective use of amplifier power. A
clipping ... H1 = [s / (s + 1)] + [1 / (s + 1)] = HP + LP ==> 2 - way . 42 -18 2014 may 30 stereophile Stereophile interviews Siegfried Linkwitz - Linkwitz Lab Stereophile interviews Siegfried Linkwitz. By Shannon Dickson. Siegfried
Linkwitz was born in Germany in 1935. He received his electrical engineering
degree ... 42 +7 2014 may 28 the three rooms of m Reverberation time as most important parameter for a room's acoustic behavior.
... N = (4 p / 3 ) V (f m /c) 3 + (p / 4) S (f m /c)2 + (1 / 8) Le (f m /c) (6). where 42 +4 2014 may 08 desain box subwoofer Subwoofer design. 1 - Box construction. My goal is to keep the box size as small
as possible. The estimates show that a box with about 50 liter internal volume ... 42 -13 2014 may 05 seas loudspeaker drive units Most significantly the woofer/midrange driver was replaced by a special Seas unit
to obtain lower non-linear distortion and increased bass output. This became ... 42 -31 2014 apr 09 pichure of cd Sound Picture CD - Linkwitz Lab Here is my collection of sound pictures which I took from a variety of familiar real
life events. ... The tracks on this CD are examples of the material that I use. 43 -10 2014 jun 15 qts thd earphone terminology FAQ - Linkwitz Lab Q34 - What is the optimum Qts for the drivers of a dipole woofer? .... 12" box
woofers and at 120 Hz equivalent to four in terms of maximum SPL. 45 +3 2014 may 22 subwoofer Design of a sealed box subwoofer with electronic equalization. 45 -28 2014 apr 18 driver power amplifier Power amplifier limited SPL for a dipole woofer - Linkwitz Lab Power amplifier limited SPL of a dipole woofer. Given two different 10" drivers ,
and power amplifiers of 60 W and 180 W capability into 8 ohm, what on-axis, ... 45 -5 2014 apr 03 diy speakers canada 46 +4 2014 jun 10 er 4s Recently, on the urging of two trusted friends, I acquired a pair of ear canal
phones, the model ER - 4S from Etymotic Research. Lyman Miller uses them for ... 46 -17 2014 apr 22 low pass crossover 2 - 12 dB/oct Linkwitz-Riley crossover 3 - 24 dB/oct Linkwitz-Riley crossover 4 -
Delay correction 5 - Shelving lowpass & passive circuit 46 ~ 2014 apr 17 san francscip symphony Since 2004, San Francisco Symphony Media has produced various PBS, DVD,
and BD releases including the Keeping Score series which combined both ... 46 +8 2014 apr 07 rear surround speakers Surround loudspeaker - Linkwitz Lab The sound level demands for side and rear speakers in a music surround system
with ambience ... It is therefore possible to use physically small speakers . 48 +7 2014 jun 13 r type final2 Room Reflections Misunderstood? - Linkwitz Lab is the type of illusion that a 24channel stereophonic setup is asked to create in ....
rear wall reflection R can be delayed and reduced in magnitude by moving the ... 48 +43 2014 apr 04 san francisco sympany 49 ~ 2014 apr 28 speaker shelves for dummies 6 - Shelving highpass & passive circuit 7 - Notch filter .... It can also serve to
equalize the low frequency roll-off from an open baffle speaker . 49 ~ 2014 apr 23 video only san francisco Since 2004, San Francisco Symphony Media has produced various PBS, DVD,
and ... Compared to the audio- only recording layout, the audio-for- video capture
... 50 -12 2014 apr 08 crossover low cost The only excuse for passive crossovers is their low cost . Their behavior changes
with the signal level dependent dynamics of the drivers. They block the power ... 50 +7 2014 mar 29 top surround sound speakers None of the four surround speakers are localized as separate sound sources,
even ... Unless the loudspeakers and the whole signal chain are of the highest ... 51 -6 2014 jul 01 san francisco symphony 51 +23 2014 jun 16 postcards from yo musik Music and sounds - Linkwitz Lab Examples of well recorded music on CD. ... It is also the only radio station I have
heard where you can hear a stuck needle." I will stop here with additions. ...
Postcards , Turtle Creek Chorale, Reference Recordings RR-61CD; Ein
Straussfest ... 51 +5 2014 apr 17 eq test kostenlos Alto R&D laboratory for the development of RF and Microwave test equipment.
... C) gives convenient component values for room EQ below 100 Hz. (room EQ , ... 52 -31 2014 jul 01 variable low-pass filters 5 - Shelving lowpass & passive circuit 6 - Shelving 52 +49 2014 apr 20 surround system test System Test | Design Models | Prototypes | Active Filters | Surround | FAQ | ... side
and rear speakers in a music surround system with ambience ... 53 +2 2014 jun 16 seas full range speaker PLUTO evolved to the 2-way full - range loudspeaker that it is today when SEAS
supplied me with a custom woofer/midrange driver. The loudspeaker is now ... 54 -6 2014 jun 20 symphony video converter Since 2004, San Francisco Symphony Media has produced various PBS, DVD,
and BD 54 +38 2014 may 28 signal test CD with test signals for loudspeaker and room resonance evaluation at low
frequencies, reflections and speaker response. 54 -5 2014 may 12 surround sound music Surround sound - Linkwitz Lab " Music Logic" is my default mode for the Lexicon DC2. It can be enjoyable to
listen to DVD-V surround sound on this system, if the sound effects in the side
and ... 55 -3 2014 may 20 open baffle full range Conclusions - Linkwitz Lab Open baffle speakers are inefficient in terms of the mechanical movement that is
... If dipole behavior covers the full frequency range , then the room response ... 56 +22 2014 jun 01 etymotic er 4s 56 ~ 2014 may 11 sound systems for homes The surround speakers face upward to generate a diffuse sound field in order to
prevent sharp imaging of side and rear sounds . This is not a system for home ... 56 -36 2014 apr 05 room acoustics software The acoustic behavior of rooms at different frequencies. The loudspeaker's polar
radiation pattern determines its interaction with the room and the accuracy of ... 57 +27 2014 may 15 best reference headphones It is difficult to find earphones that can serve as a reference transducer for .....
wear, yet their seal is good enough and repeatable for excellent bass
reproduction. 57 +10 2014 apr 26 bandpass filter speaker box The sum of acoustic lowpass and highpass outputs must have allpass behavior ...
Crossover filters for a speaker usually incorporate frequency ...